DETAILS - FDA Proof Manufacturer HUNAN PHICON BIOTECH CO., LTD. This product is from China. MEMORY LOG : The thermometer store up to 80 temperature readings and recall them at any time. This comes in handy for keeping a record. Also it has auto-shutdown feature for power saving. RAPID MEASUREMENT & FEVER ALARM: 1 second fast measurement, instant reading. holding the probe at a distance of 0.4 to 2 inches (1 to 5cm) to forehead. The thermometer will beep to alarm when above 37.8 ?. ACCURATE READINGS & HD LCD Screen: Our forehead thermometer has been clinically tested and found to be a fast and absolutely reliable gadget to use. It has a very small error margin, accurate to 0.1 ?. ACCURACY & RELIABILITY: Made of the professional medical ABS materials, mercury-free, it is safer than the traditional mercury thermometer. Equipped with the updated high-accuracy sensor probe and the latest smart chip, to provide accurate results and ensure excellent performance.